I have axles now (thanks Burgo) I am looking for a full spool (unlikely I'll find one here I know, ebay is easy). And diff gears. Also interested in a bare diff housing that is straight and with the tubes untwisted if you have one.

Diff gears would prefer 3.89 or 3.91, don't mind if they are whiny, as long as they work this is a drag diff.
Full spool must be 31 spline